OT-2026-000050925
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050925) never changes.
Identity and time
| Publication number | OT-2026-000050925 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b3-76c6-8c65-888369018e1f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050925 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a8e1fde86707770f9b357bc35f7b3e3926f83c56dbbe3e02868766346222515 |
|---|---|
| Markdown | 3098f898efe57a03aacb5fcabc23576f3c69ddff1e2b067cdd19b41aa4dcae8e |
| Publication page | 35395888e61ed6ffa8099e589fe759819a0ed9f780777c81e97d7b8a240d6be9 |
| Manifest | 9dd7eb2285034eada0fd6ba5e846bc03619ed18a08fee8c2697e4a5b1470632b |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | OQupJP6UudzLGK4L1I2WRrC9acJ3p4OvnwW2OeHSVQPN6WVqjXmzMooMW2aNOPILiW2j1pzS5MCLPJ3X8vWUCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-29T12:41:47.086768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925observed 35395888e61ed6ffa8099e589fe75981...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:47.005339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925/manifest.jsonobserved 9dd7eb2285034eada0fd6ba5e846bc03...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:46.945981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925/publication.mdobserved 3098f898efe57a03aacb5fcabc23576f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:46.889104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925/publication.txtobserved 4a8e1fde86707770f9b357bc35f7b3e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:52.085075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925observed 35395888e61ed6ffa8099e589fe75981...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:52.000106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925/manifest.jsonobserved 9dd7eb2285034eada0fd6ba5e846bc03...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:51.851140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925/publication.mdobserved 3098f898efe57a03aacb5fcabc23576f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:51.744498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050925/publication.txtobserved 4a8e1fde86707770f9b357bc35f7b3e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|